Search a number
-
+
16920846068 = 2273716332863
BaseRepresentation
bin11111100001000111…
…11001111011110100
31121200020120001010112
433300203321323310
5234123214033233
611435012242152
71136212550510
oct176043717364
947606501115
1016920846068
1171a3416105
123342910358
13179879b169
14b67397140
1569078e048
hex3f08f9ef4

16920846068 has 24 divisors (see below), whose sum is σ = 34756334592. Its totient is φ = 7055796384.

The previous prime is 16920846067. The next prime is 16920846073. The reversal of 16920846068 is 86064802961.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920846067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8165396 + ... + 8167467.

It is an arithmetic number, because the mean of its divisors is an integer number (1448180608).

Almost surely, 216920846068 is an apocalyptic number.

It is an amenable number.

16920846068 is an abundant number, since it is smaller than the sum of its proper divisors (17835488524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16920846068 is a wasteful number, since it uses less digits than its factorization.

16920846068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332911 (or 16332909 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 16920846068 in words is "sixteen billion, nine hundred twenty million, eight hundred forty-six thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 16332863 32665726 65331452 114330041 228660082 457320164 604315931 1208631862 2417263724 4230211517 8460423034 16920846068